1. The smart watch strap material is soft, flexible and waterproof; protect the smartwatch from scratches and abrasions 2. Rugged design ensures that the wristband will stand the test of time. 3. Replace your broken watch band or add some personal touch to your iWatch with our custom color changing watch bands. 4. Can be adjusted individually by the buckle to fit each wrist perfectly. Great for running, jogging, cycling and other outdoor activities.